header {
    padding: 10px 30px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    .logo {
        img {
            width: 50px;
        }
        a {
            padding-left: 22px;
            font-size: 20px;
            color: #f5c66a;
        }
    }
    .navigation {
        ul {
            margin: 0;
            list-style: none;
            li {
                padding: 0 20px;
                font-size: 17px;
                display: inline-block;
            }
        }
    }
    .operation {
        span {
            margin-left: 20px;
        }
    }
}
